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Check Archer AX55, region and hardware revision on the label. The local email-recovery instructions below are verified against the US V1 manual only; do not assume they apply to V4 or other regional firmware. AX55 Pro is a separate product.
Open TP-Link Archer AX55 settings
Join the AX55 main network, then enter tplinkwifi.net in the browser address bar. TP-Link’s AX55 setup example also uses 192.168.0.1. If the address changed, read the active gateway on your connected device.
Which password does this screen need?
Use the local admin password created during setup, or the linked TP-Link ID when the screen offers that route. The factory Wi-Fi key connects a device; it does not establish your current admin password.
Wi-Fi settings
After signing in, open Advanced → Wireless → Wireless Settings. Edit the network name or password and select SAVE, then reconnect using the new details. TP-Link lists AX55 for this illustrated route; firmware screens can vary. If Smart Connect is on, the 2.4 GHz and 5 GHz bands share these details. Do not change the security mode, channel or network role just to replace a password.
Setup asks for another username and password
An internet connection using PPPoE requests credentials from your provider. These are different from the AX55 administrator password and your Wi-Fi key. Ask the provider which connection type applies instead of guessing values in Quick Setup.
If you cannot sign in
First check saved credentials and distinguish local admin access from TP-Link ID sign-in. On the documented AX55 US V1 interface, local email recovery must already have been enabled and saved under Advanced → System → Administration with working email/SMTP settings. Choose Forgot Password? on the router login page and follow its recovery steps. The V1 manual disables this local feature when using TP-Link ID; recover that account through its registered email instead. If recovery was not configured or cannot work, read the exact hardware reset instructions and obtain your internet setup details before erasing settings. A factory reset means reconfiguring the router; it is not an online-account reset. Other hardware or firmware may differ.
If the screen asks for your TP-Link account, use account recovery in the official app or website. Confirm that account manages this network. Resetting the equipment is not a way to recover an online account.
Compare account, admin and Wi-Fi recovery →
If internet access fails too
Compare another device on the same network. One device failing and every device failing need different checks. Note any equipment error and consult your provider when the shared connection remains unavailable.
Work through the no-internet checks →
Get the next check for your TP-Link Archer AX55.